| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 129 |
5.9%
|
| 2 | 1 | 235 |
10.8%
|
| 3 | 2 | 326 |
15%
|
| 4 | 3 or more | 1487 |
68.3%
|
| Sysmiss | 38 |